US Bridges

FM 1908 over Main Canal

Good

Maverick County, Texas · 0.15 MI N of FM 1591 · Structure no. 221590181402001

Built
1945
80 years old, rebuilt 1955
Condition
Good
inspected October 2023
Type
Slab
Concrete
Length
76 ft
5 main spans
Daily traffic
100
2020 count
Owner
State
State Highway Agency

About this bridge

FM 1908 over Main Canal is a concrete slab carrying FM 1908 over Main Canal in Maverick County, Texas. It was built in 1945 and reconstructed in 1955, so it is 80 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 100 vehicles a day, roughly 36% of them trucks, projected to reach 110 by 2036. The structure is 76 ft (23.2 m) long and 21 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesFM 1908
CrossesMain Canal
Location0.15 MI N of FM 1591
RouteState Highway 1908
StateTexas
Coordinates28.95629, -100.59677
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length76 ft (23.2 m)
Longest span15 ft (4.6 m)
Deck width21 ft (6.5 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic110 by 2036
Trucks36%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 1908 over Main Canal built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 1955.

What condition is FM 1908 over Main Canal 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 1908 over Main Canal carry?

About 100 vehicles per day (2020 count), of which roughly 36% are trucks.

How long is FM 1908 over Main Canal?

The structure is 76 ft (23.2 m) long with a longest span of 15 ft (4.6 m) and a deck 21 ft wide.

Who owns FM 1908 over Main Canal?

It is owned by the State Highway Agency.