US Bridges

IH 45 over Leona Branch

Good

Leon County, Texas · 0.6 MI N of FM 977 · Structure no. 171450067504125

Built
1966
59 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
33,082
2020 count
Owner
State
State Highway Agency

About this bridge

IH 45 over Leona Branch is a concrete culvert carrying IH 45 over Leona Branch in Leon County, Texas. It was built in 1966, so it is 59 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 33,082 vehicles a day, roughly 38% of them trucks, projected to reach 35,400 by 2033. The structure is 23 ft (7 m) long. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesIH 45
CrossesLeona Branch
Location0.6 MI N of FM 977
RouteInterstate 45
CountyLeon County
StateTexas
Coordinates31.15784, -95.98495
Functional classRural Principal Arterial - Interstate

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 inspectionMarch 2023
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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length23 ft (7 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,082 (2020)
Projected traffic35,400 by 2033
Trucks38%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 IH 45 over Leona Branch built?

It was built in 1966, making it 59 years old in 2025.

What condition is IH 45 over Leona 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 March 2023.

How much traffic does IH 45 over Leona Branch carry?

About 33,082 vehicles per day (2020 count), of which roughly 38% are trucks.

How long is IH 45 over Leona Branch?

The structure is 23 ft (7 m) long with a longest span of 8 ft (2.4 m).

Who owns IH 45 over Leona Branch?

It is owned by the State Highway Agency.