US Bridges

Third ST over Gibson Branch

Fair

Lampasas County, Texas · 0.90 MI NE of US 183 · Structure no. 231410B00645002

Built
1948
77 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete
Length
50 ft
2 main spans
Daily traffic
1,217
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Third ST over Gibson Branch is a concrete slab carrying Third ST over Gibson Branch in Lampasas County, Texas. It was built in 1948, so it is 77 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 1,217 vehicles a day, roughly 8% of them trucks, projected to reach 1,826 by 2042. The structure is 50 ft (15.2 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesThird ST
CrossesGibson Branch
Location0.90 MI NE of US 183
RouteCity Street 905
StateTexas
Coordinates31.07347, -98.17077
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length50 ft (15.2 m)
Longest span25 ft (7.6 m)
Deck width23 ft (7.1 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,217 (2022)
Projected traffic1,826 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$26,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Third ST over Gibson Branch built?

It was built in 1948, making it 77 years old in 2025.

What condition is Third ST over Gibson 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 January 2025.

How much traffic does Third ST over Gibson Branch carry?

About 1,217 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Third ST over Gibson Branch?

The structure is 50 ft (15.2 m) long with a longest span of 25 ft (7.6 m) and a deck 23 ft wide.

Who owns Third ST over Gibson Branch?

It is owned by the City or Municipal Highway Agency.