Structure 84601700000000 · Sangamon County, IL

Bruns Lane over Spring Creek

Carries Bruns Lane over Spring Creek, Bruns Lane.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT154 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

154 ft end to end, longest span 56 ft: about 2 semi-trucks nose to tail. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built200818 years old
Length153.9 ft46.9 m
Daily traffic3,300counted 2022
Last inspectedMarch 2020every 48 months

Location

StateIllinois
CountySangamon
LocationBruns Lane
CarriesBruns Lane
CrossesSpring Creek
Coordinates39.82127, -89.68722

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length153.9 ft (46.9 m)
Max Span56.4 ft (17.2 m)
Deck Width63.0 ft (19.2 m)
Deck Area900.5 sq m
Main Spans3
Year Built2008

Traffic

Avg Daily Traffic3,300 (2022)
Truck Traffic5%
Lanes On Bridge4

Inspection & Ownership

Last InspectionMarch 2020
Inspection FrequencyEvery 48 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number084601700000000

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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