US Bridges

FM 806 over Ratliff Creek

Fair

Colorado County, Texas · 0.40 MI S of IH 10 · Structure no. 130450071603012

Built
1951
74 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
75 ft
3 main spans
Daily traffic
787
2024 count
Owner
State
State Highway Agency

About this bridge

FM 806 over Ratliff Creek is a concrete slab carrying FM 806 over Ratliff Creek in Colorado County, Texas. It was built in 1951, so it is 74 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 787 vehicles a day, roughly 13% of them trucks, projected to reach 832 by 2041. The structure is 75 ft (22.9 m) long and 23 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesFM 806
CrossesRatliff Creek
Location0.40 MI S of IH 10
RouteState Highway 806
StateTexas
Coordinates29.6877, -96.5614
Functional classRural Minor 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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating34.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length75 ft (22.9 m)
Longest span25 ft (7.6 m)
Deck width23 ft (7.1 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic787 (2024)
Projected traffic832 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$4,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 806 over Ratliff Creek built?

It was built in 1951, making it 74 years old in 2025.

What condition is FM 806 over Ratliff 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 2023.

How much traffic does FM 806 over Ratliff Creek carry?

About 787 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is FM 806 over Ratliff Creek?

The structure is 75 ft (22.9 m) long with a longest span of 25 ft (7.6 m) and a deck 23 ft wide.

Who owns FM 806 over Ratliff Creek?

It is owned by the State Highway Agency.