US Bridges

FM 46 over Hay Yard Branch

Fair

Robertson County, Texas · 4.0 MI S of US 79 · Structure no. 171980054002022

Built
1953
72 years old, rebuilt 1992
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
23 ft
3 main spans
Daily traffic
2,489
2023 count
Owner
State
State Highway Agency

About this bridge

FM 46 over Hay Yard Branch is a concrete culvert carrying FM 46 over Hay Yard Branch in Robertson County, Texas. It was built in 1953 and reconstructed in 1992, so it is 72 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 2,489 vehicles a day, roughly 8% of them trucks, projected to reach 3,385 by 2042. The structure is 23 ft (7 m) long. If it were closed, the detour would be 11.2 mi (18 km).

CarriesFM 46
CrossesHay Yard Branch
Location4.0 MI S of US 79
RouteState Highway 46
StateTexas
Coordinates30.98843, -96.44361
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadOther
Structure length23 ft (7 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,489 (2023)
Projected traffic3,385 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 46 over Hay Yard Branch built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1992.

What condition is FM 46 over Hay Yard 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 November 2024.

How much traffic does FM 46 over Hay Yard Branch carry?

About 2,489 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is FM 46 over Hay Yard Branch?

The structure is 23 ft (7 m) long with a longest span of 7 ft (2.1 m).

Who owns FM 46 over Hay Yard Branch?

It is owned by the State Highway Agency.