US Bridges

Timmermann RD over Geronimo Creek

FairPosted for load

Guadalupe County, Texas · 1.05 MI E of SH 123 · Structure no. 150950AA0131001

Built
1950
75 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
62
2020 count
Owner
County
County Highway Agency

About this bridge

Timmermann RD over Geronimo Creek is a steel stringer/multi-beam or girder carrying Timmermann RD over Geronimo Creek in Guadalupe 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. Its operating status is: posted for load restriction.

It carries about 62 vehicles a day, projected to reach 95 by 2030. The structure is 41 ft (12.5 m) long and 21 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesTimmermann RD
CrossesGeronimo Creek
Location1.05 MI E of SH 123
RouteCounty Highway 0
CountyGuadalupe County
StateTexas
Coordinates29.64636, -97.94911
Functional classRural Local

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.
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating26 US tons
Inventory rating17 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span40 ft (12.2 m)
Deck width21 ft (6.5 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62 (2020)
Projected traffic95 by 2030
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$77,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Timmermann RD over Geronimo Creek built?

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

What condition is Timmermann RD 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 May 2023.

How much traffic does Timmermann RD over Geronimo Creek carry?

About 62 vehicles per day (2020 count).

How long is Timmermann RD over Geronimo Creek?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 21 ft wide.

Who owns Timmermann RD over Geronimo Creek?

It is owned by the County Highway Agency.