US Bridges

SH 21 over Amaladeros Creek

Fair

Nacogdoches County, Texas · 0.9 MI E of FM 95 · Structure no. 111740011808060

Built
1954
71 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
100 ft
4 main spans
Daily traffic
2,520
2024 count
Owner
State
State Highway Agency

About this bridge

SH 21 over Amaladeros Creek is a concrete continuous slab carrying SH 21 over Amaladeros Creek in Nacogdoches County, Texas. It was built in 1954, so it is 71 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 2,520 vehicles a day, roughly 13% of them trucks, projected to reach 3,605 by 2042. The structure is 100 ft (30.5 m) long and 42 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesSH 21
CrossesAmaladeros Creek
Location0.9 MI E of FM 95
RouteState Highway 21
StateTexas
Coordinates31.50767, -94.3415
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating48.9 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadOther
Structure length100 ft (30.5 m)
Longest span25 ft (7.6 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,520 (2024)
Projected traffic3,605 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 Amaladeros Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is SH 21 over Amaladeros 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 March 2024.

How much traffic does SH 21 over Amaladeros Creek carry?

About 2,520 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is SH 21 over Amaladeros Creek?

The structure is 100 ft (30.5 m) long with a longest span of 25 ft (7.6 m) and a deck 42 ft wide.

Who owns SH 21 over Amaladeros Creek?

It is owned by the State Highway Agency.