US Bridges

FM 1047 over Lampasas River

Fair

Hamilton County, Texas · 2.6 MI S of FM 2005 · Structure no. 090980178002002

Built
1964
61 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
121 ft
4 main spans
Daily traffic
69
2023 count
Owner
State
State Highway Agency

About this bridge

FM 1047 over Lampasas River is a concrete stringer/multi-beam or girder carrying FM 1047 over Lampasas River in Hamilton County, Texas. It was built in 1964, so it is 61 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 69 vehicles a day, roughly 19% of them trucks, projected to reach 159 by 2039. The structure is 121 ft (36.9 m) long and 26 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesFM 1047
CrossesLampasas River
Location2.6 MI S of FM 2005
RouteState Highway 1047
StateTexas
Coordinates31.5471, -98.33876
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length121 ft (36.9 m)
Longest span30 ft (9.1 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69 (2023)
Projected traffic159 by 2039
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 1047 over Lampasas River built?

It was built in 1964, making it 61 years old in 2025.

What condition is FM 1047 over Lampasas River 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 1047 over Lampasas River carry?

About 69 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is FM 1047 over Lampasas River?

The structure is 121 ft (36.9 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns FM 1047 over Lampasas River?

It is owned by the State Highway Agency.