Structure 21840031407041 · Parker County, TX

IH 20 over Underwood Branch

Carries IH 20 over Underwood Branch, 2.25 Mi NE Of FM 2552.

Overall conditionFair

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

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT31 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 31 ft across with 3 openings. Lengths and the car 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, so those are drawn as typical for a culvert.

Built1968rebuilt 2018
Length30.8 ft9.4 m
Daily traffic63,451counted 2020
Last inspectedSeptember 2024every 24 months

Location

StateTexas
CountyParker
Location2.25 Mi NE Of FM 2552
CarriesIH 20
CrossesUnderwood Branch
Coordinates32.74882, -97.72641

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length30.8 ft (9.4 m)
Max Span7.9 ft (2.4 m)
Deck Area527.3 sq m
Main Spans3
Year Built1968 (reconstructed 2018)

Traffic

Avg Daily Traffic63,451 (2020)
Truck Traffic19%
Lanes On Bridge8

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number021840031407041

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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