US Bridges

SH 36 over Mill Branch

Fair

Coryell County, Texas · 0.34 MI W of FM 217 · Structure no. 090500018304038

Built
1939
86 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
39 ft
4 main spans
Daily traffic
2,668
2020 count
Owner
State
State Highway Agency

About this bridge

SH 36 over Mill Branch is a concrete culvert carrying SH 36 over Mill Branch in Coryell County, Texas. It was built in 1939, so it is 86 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 2,668 vehicles a day, roughly 10% of them trucks, projected to reach 5,060 by 2033. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesSH 36
CrossesMill Branch
Location0.34 MI W of FM 217
RouteState Highway 36
CountyCoryell County
StateTexas
Coordinates31.61531, -97.87956
Functional classRural Minor Arterial

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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: 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
DeckNot applicable
Main spans4
Design loadH 15
Structure length39 ft (11.9 m)
Longest span9 ft (2.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,668 (2020)
Projected traffic5,060 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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$500,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 36 over Mill Branch built?

It was built in 1939, making it 86 years old in 2025.

What condition is SH 36 over Mill Branch 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 December 2024.

How much traffic does SH 36 over Mill Branch carry?

About 2,668 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is SH 36 over Mill Branch?

The structure is 39 ft (11.9 m) long with a longest span of 9 ft (2.6 m).

Who owns SH 36 over Mill Branch?

It is owned by the State Highway Agency.