Structure 181750009213036 · Navarro County, TX

Bus 45 over Post Oak Creek

Carries Bus 45 over Post Oak Creek, 3.20 Mi S Of Ih45.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT129 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

129 ft end to end, longest span 27 ft. 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 tee-beam bridge.

Built1930rebuilt 1961
Length128.9 ft39.3 m
Daily traffic9,804counted 2023
Last inspectedMarch 2024every 12 months

Location

StateTexas
CountyNavarro
Location3.20 Mi S Of Ih45
CarriesBus 45
CrossesPost Oak Creek
Coordinates32.10384, -96.46360

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length128.9 ft (39.3 m)
Max Span26.6 ft (8.1 m)
Deck Width59.7 ft (18.2 m)
Deck Area715.3 sq m
Main Spans4
Year Built1930 (reconstructed 1961)

Traffic

Avg Daily Traffic9,804 (2023)
Truck Traffic9%
Lanes On Bridge4

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical3 — Scour critical
Structure Number181750009213036

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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