US Bridges

SH 36 over Long Branch

Fair

Austin County, Texas · 3.30 MI NW of SH 159 · Structure no. 130080018702001

Built
1927
98 years old, rebuilt 1956
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
6,088
2020 count
Owner
State
State Highway Agency

About this bridge

SH 36 over Long Branch is a concrete culvert carrying SH 36 over Long Branch in Austin County, Texas. It was built in 1927 and reconstructed in 1956, so it is 98 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 6,088 vehicles a day, roughly 21% of them trucks, projected to reach 7,790 by 2033. The structure is 22 ft (6.7 m) long and 45 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSH 36
CrossesLong Branch
Location3.30 MI NW of SH 159
RouteState Highway 36
CountyAustin County
StateTexas
Coordinates29.99404, -96.30218
Functional classRural Principal Arterial - Other

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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width45 ft (13.8 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,088 (2020)
Projected traffic7,790 by 2033
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

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 SH 36 over Long Branch built?

It was built in 1927, making it 98 years old in 2025. It was reconstructed in 1956.

What condition is SH 36 over Long 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 February 2023.

How much traffic does SH 36 over Long Branch carry?

About 6,088 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is SH 36 over Long Branch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 45 ft wide.

Who owns SH 36 over Long Branch?

It is owned by the State Highway Agency.