Structure 161780007406083 · Nueces County, TX

IH 37 NB Conn over IH 37 SB

Carries IH 37 NB Conn over IH 37 SB, 3.55 Mi W Of SH 286.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT350 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

350 ft end to end: about 5 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.

Built196660 years old
Length350.1 ft106.7 m
Daily traffic8,432counted 2022
Last inspectedApril 2024every 24 months

Location

StateTexas
CountyNueces
Location3.55 Mi W Of SH 286
CarriesIH 37 NB Conn
CrossesIH 37 SB
Coordinates27.80382, -97.46690

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length350.1 ft (106.7 m)
Max Span105.0 ft (32 m)
Deck Width35.8 ft (10.9 m)
Deck Area1163.0 sq m
Main Spans1
Year Built1966

Traffic

Avg Daily Traffic8,432 (2022)
Truck Traffic7%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number161780007406083

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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