Structure 180610019602079 · Denton County, TX

IH 35e Nbml over Timber Creek

Carries IH 35e Nbml over Timber Creek, 2.60 Mi NW Of Dallas C/l.

Overall conditionFair

Set by its lowest-rated component: Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT322 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

322 ft end to end, longest span 40 ft: about 4 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.

Built1957rebuilt 1983
Length321.9 ft98.1 m
Daily traffic74,860counted 2019
Last inspectedNovember 2023every 24 months

Location

StateTexas
CountyDenton
Location2.60 Mi NW Of Dallas C/l
CarriesIH 35e Nbml
CrossesTimber Creek
Coordinates33.01049, -96.97696

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length321.9 ft (98.1 m)
Max Span40.0 ft (12.2 m)
Deck Width73.2 ft (22.3 m)
Deck Area2187.6 sq m
Main Spans8
Year Built1957 (reconstructed 1983)

Traffic

Avg Daily Traffic74,860 (2019)
Truck Traffic8%
Lanes On Bridge4

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical5 — Stable for scour
Structure Number180610019602079

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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