US Bridges

IH 45 over Two Mile Creek

Fair

Leon County, Texas · 4.0 MI S of FM 977 · Structure no. 171450067504102

Built
1965
60 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
36,958
2019 count
Owner
State
State Highway Agency

About this bridge

IH 45 over Two Mile Creek is a concrete culvert carrying IH 45 over Two Mile Creek in Leon County, Texas. It was built in 1965, so it is 60 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 36,958 vehicles a day, roughly 30% of them trucks, projected to reach 36,300 by 2033. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesIH 45
CrossesTwo Mile Creek
Location4.0 MI S of FM 977
RouteInterstate 45
CountyLeon County
StateTexas
Coordinates31.09513, -95.96195
Functional classRural Principal Arterial - Interstate

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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 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 spans3
Design loadOther
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,958 (2019)
Projected traffic36,300 by 2033
Trucks30%
Lanes on structure6
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 Two Mile Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is IH 45 over Two Mile 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 2023.

How much traffic does IH 45 over Two Mile Creek carry?

About 36,958 vehicles per day (2019 count), of which roughly 30% are trucks.

How long is IH 45 over Two Mile Creek?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m).

Who owns IH 45 over Two Mile Creek?

It is owned by the State Highway Agency.