US Bridges

FM 1850 over Briar Creek

Fair

Brown County, Texas · 0.05 MI E of FM 585 · Structure no. 230250063603008

Built
1956
69 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
75 ft
7 main spans
Daily traffic
351
2020 count
Owner
State
State Highway Agency

About this bridge

FM 1850 over Briar Creek is a concrete culvert carrying FM 1850 over Briar Creek in Brown County, Texas. It was built in 1956, so it is 69 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 351 vehicles a day, roughly 7% of them trucks, projected to reach 430 by 2033. The structure is 75 ft (22.9 m) long and 31 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesFM 1850
CrossesBriar Creek
Location0.05 MI E of FM 585
RouteState Highway 1850
CountyBrown County
StateTexas
Coordinates31.87881, -99.16892
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
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 spans7
Design loadOther
Structure length75 ft (22.9 m)
Longest span10 ft (3 m)
Deck width31 ft (9.6 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic351 (2020)
Projected traffic430 by 2033
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 FM 1850 over Briar Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is FM 1850 over Briar 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 FM 1850 over Briar Creek carry?

About 351 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is FM 1850 over Briar Creek?

The structure is 75 ft (22.9 m) long with a longest span of 10 ft (3 m) and a deck 31 ft wide.

Who owns FM 1850 over Briar Creek?

It is owned by the State Highway Agency.