US Bridges

FM 2644 over San Ambrosia Creek

Good

Maverick County, Texas · 5.4 MI E of FM 1021 · Structure no. 221590263601002

Built
1966
59 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
664
2018 count
Owner
State
State Highway Agency

About this bridge

FM 2644 over San Ambrosia Creek is a concrete culvert carrying FM 2644 over San Ambrosia Creek in Maverick County, Texas. It was built in 1966, so it is 59 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 664 vehicles a day, roughly 8% of them trucks, projected to reach 2,010 by 2033. The structure is 28 ft (8.5 m) long and 35 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesFM 2644
CrossesSan Ambrosia Creek
Location5.4 MI E of FM 1021
RouteState Highway 2644
StateTexas
Coordinates28.49755, -100.2242
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 inspectionOctober 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
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span9 ft (2.7 m)
Deck width35 ft (10.8 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic664 (2018)
Projected traffic2,010 by 2033
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 2644 over San Ambrosia Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is FM 2644 over San Ambrosia 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 October 2023.

How much traffic does FM 2644 over San Ambrosia Creek carry?

About 664 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is FM 2644 over San Ambrosia Creek?

The structure is 28 ft (8.5 m) long with a longest span of 9 ft (2.7 m) and a deck 35 ft wide.

Who owns FM 2644 over San Ambrosia Creek?

It is owned by the State Highway Agency.