US Bridges

SH 75 over Leona Branch

Fair

Leon County, Texas · 0.3 MI N of FM 977 · Structure no. 171450016606056

Built
1947
78 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
596
2023 count
Owner
State
State Highway Agency

About this bridge

SH 75 over Leona Branch is a concrete culvert carrying SH 75 over Leona Branch in Leon County, Texas. It was built in 1947, so it is 78 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 596 vehicles a day, roughly 10% of them trucks, projected to reach 1,010 by 2033. The structure is 33 ft (10.1 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSH 75
CrossesLeona Branch
Location0.3 MI N of FM 977
RouteState Highway 75
StateTexas
Coordinates31.15885, -95.97074
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 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 geometry9: Superior to present desirable 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 spans3
Design loadH 15
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic596 (2023)
Projected traffic1,010 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 SH 75 over Leona Branch built?

It was built in 1947, making it 78 years old in 2025.

What condition is SH 75 over Leona 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 March 2023.

How much traffic does SH 75 over Leona Branch carry?

About 596 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SH 75 over Leona Branch?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 47 ft wide.

Who owns SH 75 over Leona Branch?

It is owned by the State Highway Agency.