US Bridges

SH 21 over Maddox Creek

Fair

Sabine County, Texas · 1.20 MI W of FM 330 · Structure no. 112020011902004

Built
1924
101 years old, rebuilt 1965
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete
Length
42 ft
1 main span
Daily traffic
422
2021 count
Owner
State
State Highway Agency

About this bridge

SH 21 over Maddox Creek is a concrete tee beam carrying SH 21 over Maddox Creek in Sabine County, Texas. It was built in 1924 and reconstructed in 1965, 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 422 vehicles a day, roughly 19% of them trucks, projected to reach 591 by 2041. The structure is 42 ft (12.8 m) long and 48 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSH 21
CrossesMaddox Creek
Location1.20 MI W of FM 330
RouteState Highway 21
StateTexas
Coordinates31.48199, -93.93522
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width48 ft (14.6 m)
Roadway width46 ft (13.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic422 (2021)
Projected traffic591 by 2041
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 SH 21 over Maddox Creek built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1965.

What condition is SH 21 over Maddox 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 June 2024.

How much traffic does SH 21 over Maddox Creek carry?

About 422 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is SH 21 over Maddox Creek?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 48 ft wide.

Who owns SH 21 over Maddox Creek?

It is owned by the State Highway Agency.