US Bridges

FM 20 over Geronimo Creek

Fair

Guadalupe County, Texas · 2.10 MI E of SH 123 · Structure no. 150950098701006

Built
1988
37 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
229 ft
9 main spans
Daily traffic
1,332
2020 count
Owner
State
State Highway Agency

About this bridge

FM 20 over Geronimo Creek is a concrete slab carrying FM 20 over Geronimo Creek in Guadalupe County, Texas. It was built in 1988, so it is 37 years old, younger 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 1,332 vehicles a day, roughly 10% of them trucks, projected to reach 2,120 by 2033. The structure is 229 ft (69.8 m) long and 38 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFM 20
CrossesGeronimo Creek
Location2.10 MI E of SH 123
RouteState Highway 20
StateTexas
Coordinates29.61877, -97.93207
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length229 ft (69.8 m)
Longest span25 ft (7.6 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,332 (2020)
Projected traffic2,120 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 20 over Geronimo Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is FM 20 over Geronimo 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 August 2024.

How much traffic does FM 20 over Geronimo Creek carry?

About 1,332 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is FM 20 over Geronimo Creek?

The structure is 229 ft (69.8 m) long with a longest span of 25 ft (7.6 m) and a deck 38 ft wide.

Who owns FM 20 over Geronimo Creek?

It is owned by the State Highway Agency.