US Bridges

FM 3169 over El Grullo Creek

Good

Zapata County, Texas · Appx 1.3 MI NE of US 83 · Structure no. 212530309903001

Built
1971
54 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
34 ft
4 main spans
Daily traffic
324
2024 count
Owner
State
State Highway Agency

About this bridge

FM 3169 over El Grullo Creek is a concrete culvert carrying FM 3169 over El Grullo Creek in Zapata County, Texas. It was built in 1971, so it is 54 years old, older 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 324 vehicles a day, roughly 25% of them trucks, projected to reach 910 by 2033. The structure is 34 ft (10.4 m) long and 37 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesFM 3169
CrossesEl Grullo Creek
LocationAppx 1.3 MI NE of US 83
RouteState Highway 3169
StateTexas
Coordinates27.04936, -99.41834
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span8 ft (2.4 m)
Deck width37 ft (11.4 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic324 (2024)
Projected traffic910 by 2033
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 3169 over El Grullo Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is FM 3169 over El Grullo Creek 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 April 2023.

How much traffic does FM 3169 over El Grullo Creek carry?

About 324 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is FM 3169 over El Grullo Creek?

The structure is 34 ft (10.4 m) long with a longest span of 8 ft (2.4 m) and a deck 37 ft wide.

Who owns FM 3169 over El Grullo Creek?

It is owned by the State Highway Agency.