Structure 22200000815296 · Tarrant County, TX

Ih820 Nbl over Chapin RD

Carries Ih820 Nbl over Chapin RD, 0.46 Mi S Of US 580.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT240 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

240 ft end to end, longest span 93 ft: about 3 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.

Built198244 years old
Length240.2 ft73.2 m
Daily traffic35,211counted 2023
Last inspectedSeptember 2023every 48 months

Location

StateTexas
CountyTarrant
Location0.46 Mi S Of US 580
CarriesIh820 Nbl
CrossesChapin RD
Coordinates32.71824, -97.47911

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length240.2 ft (73.2 m)
Max Span92.8 ft (28.3 m)
Deck Width58.1 ft (17.7 m)
Deck Area1295.6 sq m
Main Spans3
Year Built1982

Traffic

Avg Daily Traffic35,211 (2023)
Truck Traffic7%
Lanes On Bridge3
Lanes Under Bridge5

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number022200000815296

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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