US Bridges

SH 103 over Johnson Creek

Fair

San Augustine County, Texas · 2.00 MI E of FM 1277 · Structure no. 112030033607016

Built
1950
75 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
3,359
2020 count
Owner
State
State Highway Agency

About this bridge

SH 103 over Johnson Creek is a concrete culvert carrying SH 103 over Johnson Creek in San Augustine County, Texas. It was built in 1950, so it is 75 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 3,359 vehicles a day, roughly 19% of them trucks, projected to reach 4,703 by 2040. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSH 103
CrossesJohnson Creek
Location2.00 MI E of FM 1277
RouteState Highway 103
StateTexas
Coordinates31.39231, -94.25139
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 inspectionMay 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 alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length26 ft (7.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,359 (2020)
Projected traffic4,703 by 2040
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 103 over Johnson Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is SH 103 over Johnson Creek 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 May 2024.

How much traffic does SH 103 over Johnson Creek carry?

About 3,359 vehicles per day (2020 count), of which roughly 19% are trucks.

How long is SH 103 over Johnson Creek?

The structure is 26 ft (7.9 m) long with a longest span of 10 ft (3 m).

Who owns SH 103 over Johnson Creek?

It is owned by the State Highway Agency.