Structure 91610001501636 · McLennan County, TX

IH 35 Sbfr over Brazos River

Carries IH 35 Sbfr over Brazos River, 2.5 Mi N Of Lp 396.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT620 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

620 ft end to end: about 1.7 football fields. 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 box-beam bridge.

Built201412 years old
Length620.1 ft189 m
Daily traffic122,200counted 2013
Last inspectedFebruary 2023every 24 months

Location

StateTexas
CountyMcLennan
Location2.5 Mi N Of Lp 396
CarriesIH 35 Sbfr
CrossesBrazos River
Coordinates31.55764, -97.11961

Physical Characteristics

MaterialSteel Continuous
DesignBox Beam - Multiple
Total Length620.1 ft (189 m)
Max Span250.0 ft (76.2 m)
Deck Width56.4 ft (17.2 m)
Deck Area3250.8 sq m
Main Spans1
Year Built2014

Traffic

Avg Daily Traffic122,200 (2013)
Truck Traffic10%
Lanes On Bridge3

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number091610001501636

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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