US Bridges

SH 100 over Wildlife Crossing #3

Good

Cameron County, Texas · 6.38 MI E of JCT FM 1847 · Structure no. 210310033101224

Built
2018
7 years old
Condition
Good
inspected May 2023
Type
Slab
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
6,894
2020 count
Owner
County
County Highway Agency

About this bridge

SH 100 over Wildlife Crossing #3 is a prestressed concrete slab carrying SH 100 over Wildlife Crossing #3 in Cameron County, Texas. It was built in 2018, so it is 7 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,894 vehicles a day, roughly 5% of them trucks, projected to reach 10,070 by 2036. The structure is 50 ft (15.2 m) long and 74 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSH 100
CrossesWildlife Crossing #3
Location6.38 MI E of JCT FM 1847
RouteState Highway 100
CountyCameron County
StateTexas
Coordinates26.07134, -97.37659
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width74 ft (22.6 m)
Roadway width70 ft (21.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,894 (2020)
Projected traffic10,070 by 2036
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 100 over Wildlife Crossing #3 built?

It was built in 2018, making it 7 years old in 2025.

What condition is SH 100 over Wildlife Crossing #3 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does SH 100 over Wildlife Crossing #3 carry?

About 6,894 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is SH 100 over Wildlife Crossing #3?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 74 ft wide.

Who owns SH 100 over Wildlife Crossing #3?

It is owned by the County Highway Agency.