US Bridges

Lp 181 over Seguin Branch

Fair

Wilson County, Texas · 2.55 MI SE of US 181 · Structure no. 152470010009065

Built
1924
101 years old, rebuilt 1969
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
43 ft
1 main span
Daily traffic
5,627
2022 count
Owner
State
State Highway Agency

About this bridge

Lp 181 over Seguin Branch is a concrete tee beam carrying Lp 181 over Seguin Branch in Wilson County, Texas. It was built in 1924 and reconstructed in 1969, so it is 101 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 5,627 vehicles a day, roughly 4% of them trucks, projected to reach 8,328 by 2042. The structure is 43 ft (13.1 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLp 181
CrossesSeguin Branch
Location2.55 MI SE of US 181
RouteState Highway 181
CountyWilson County
StateTexas
Coordinates29.15614, -98.17951
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating38 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length43 ft (13.1 m)
Longest span43 ft (13.1 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic5,627 (2022)
Projected traffic8,328 by 2042
Trucks4%
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

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 Lp 181 over Seguin Branch built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1969.

What condition is Lp 181 over Seguin 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 July 2024.

How much traffic does Lp 181 over Seguin Branch carry?

About 5,627 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Lp 181 over Seguin Branch?

The structure is 43 ft (13.1 m) long with a longest span of 43 ft (13.1 m) and a deck 38 ft wide.

Who owns Lp 181 over Seguin Branch?

It is owned by the State Highway Agency.