Structure 180710004805022 · Ellis County, TX

US 77 over Richland Creek

Carries US 77 over Richland Creek, 1.3 Mi SW Of FM 308 S.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT140 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

140 ft end to end, longest span 35 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.

Built1929rebuilt 1945
Length140.1 ft42.7 m
Daily traffic1,439counted 2023
Last inspectedJanuary 2024every 24 months

Location

StateTexas
CountyEllis
Location1.3 Mi SW Of FM 308 S
CarriesUS 77
CrossesRichland Creek
Coordinates32.10975, -96.96473

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length140.1 ft (42.7 m)
Max Span35.1 ft (10.7 m)
Deck Width33.1 ft (10.1 m)
Deck Area431.3 sq m
Main Spans4
Year Built1929 (reconstructed 1945)

Traffic

Avg Daily Traffic1,439 (2023)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical4 — Foundations need monitoring
Structure Number180710004805022

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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