Structure 81010600000000 · Rock Island County, IL

Fai 280 over Mississippi River

Carries Fai 280 over Mississippi River, SW Of Rock Island.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
4,193 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9 · sets the ratingSubstructure 6/9

4,193 ft end to end: about 12 football fields. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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 through arch.

Built1970rebuilt 2022
Length4192.9 ft1,278 m
Daily traffic28,100counted 2019
Last inspectedAugust 2024every 24 months

Location

StateIllinois
CountyRock Island
LocationSW Of Rock Island
CarriesFai 280
CrossesMississippi River
Coordinates41.47904, -90.63244

Physical Characteristics

MaterialSteel
DesignArch - Thru
Total Length4192.9 ft (1,278 m)
Max Span569.9 ft (173.7 m)
Deck Width84.0 ft (25.6 m)
Deck Area32716.8 sq m
Main Spans1
Year Built1970 (reconstructed 2022)

Traffic

Avg Daily Traffic28,100 (2019)
Truck Traffic27%
Lanes On Bridge4

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number081010600000000

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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