US Bridges

FM 1123 over Mitchell Branch

Fair

Bell County, Texas · 0.5 MI S of FM 436 · Structure no. 090140130801001

Built
1951
74 years old, rebuilt 1974
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
50 ft
2 main spans
Daily traffic
1,636
2020 count
Owner
State
State Highway Agency

About this bridge

FM 1123 over Mitchell Branch is a concrete slab carrying FM 1123 over Mitchell Branch in Bell County, Texas. It was built in 1951 and reconstructed in 1974, so it is 74 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,636 vehicles a day, roughly 14% of them trucks, projected to reach 1,580 by 2033. The structure is 50 ft (15.2 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFM 1123
CrossesMitchell Branch
Location0.5 MI S of FM 436
RouteState Highway 1123
CountyBell County
StateTexas
Coordinates31.01226, -97.44218
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating39 US tons
Inventory rating19 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 10
Structure length50 ft (15.2 m)
Longest span25 ft (7.6 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,636 (2020)
Projected traffic1,580 by 2033
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$392,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 1123 over Mitchell Branch built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1974.

What condition is FM 1123 over Mitchell Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does FM 1123 over Mitchell Branch carry?

About 1,636 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is FM 1123 over Mitchell Branch?

The structure is 50 ft (15.2 m) long with a longest span of 25 ft (7.6 m) and a deck 46 ft wide.

Who owns FM 1123 over Mitchell Branch?

It is owned by the State Highway Agency.