US Bridges

FM 109 over Redgate Creek

Good

Colorado County, Texas · 2.00 MI E of FM 1291 · Structure no. 130450071602011

Built
1948
77 years old, rebuilt 2017
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
1,586
2021 count
Owner
State
State Highway Agency

About this bridge

FM 109 over Redgate Creek is a concrete culvert carrying FM 109 over Redgate Creek in Colorado County, Texas. It was built in 1948 and reconstructed in 2017, so it is 77 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,586 vehicles a day, roughly 15% of them trucks, projected to reach 2,220 by 2041. The structure is 23 ft (7 m) long and 38 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesFM 109
CrossesRedgate Creek
Location2.00 MI E of FM 1291
RouteState Highway 109
StateTexas
Coordinates29.87799, -96.5157
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width38 ft (11.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,586 (2021)
Projected traffic2,220 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 109 over Redgate Creek built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 2017.

What condition is FM 109 over Redgate Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does FM 109 over Redgate Creek carry?

About 1,586 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is FM 109 over Redgate Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 38 ft wide.

Who owns FM 109 over Redgate Creek?

It is owned by the State Highway Agency.