US Bridges

SH 36 over Brown Branch

Good

Coryell County, Texas · 5.70 MI SE of US 84 · Structure no. 090500018401020

Built
1950
75 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
30 ft
3 main spans
Daily traffic
5,173
2020 count
Owner
State
State Highway Agency

About this bridge

SH 36 over Brown Branch is a concrete culvert carrying SH 36 over Brown Branch in Coryell 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 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 5,173 vehicles a day, roughly 8% of them trucks, projected to reach 7,900 by 2033. The structure is 30 ft (9.1 m) long and 45 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSH 36
CrossesBrown Branch
Location5.70 MI SE of US 84
RouteState Highway 36
CountyCoryell County
StateTexas
Coordinates31.35862, -97.6834
Functional classRural Principal Arterial - Other

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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be 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 spans3
Design loadH 15
Structure length30 ft (9.1 m)
Longest span9 ft (2.7 m)
Deck width45 ft (13.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,173 (2020)
Projected traffic7,900 by 2033
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$300,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 36 over Brown Branch built?

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

What condition is SH 36 over Brown Branch 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 November 2024.

How much traffic does SH 36 over Brown Branch carry?

About 5,173 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is SH 36 over Brown Branch?

The structure is 30 ft (9.1 m) long with a longest span of 9 ft (2.7 m) and a deck 45 ft wide.

Who owns SH 36 over Brown Branch?

It is owned by the State Highway Agency.