US Bridges

CR 400 over IH 45

Fair

Leon County, Texas · 1.8 MI S of FM 977 · Structure no. 171450067504099

Built
1965
60 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete Continuous
Length
232 ft
4 main spans
Daily traffic
100
2019 count
Owner
State
State Highway Agency

About this bridge

CR 400 over IH 45 is a concrete continuous tee beam carrying CR 400 over IH 45 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 100 vehicles a day, projected to reach 29,000 by 2028. The structure is 232 ft (70.7 m) long and 27 ft wide.

CarriesCR 400
CrossesIH 45
Location1.8 MI S of FM 977
RouteCounty Highway 400
StateTexas
Coordinates31.12441, -95.97642
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length232 ft (70.7 m)
Longest span65 ft (19.8 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic29,000 by 2028
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$14,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was CR 400 over IH 45 built?

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

What condition is CR 400 over IH 45 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 CR 400 over IH 45 carry?

About 100 vehicles per day (2019 count).

How long is CR 400 over IH 45?

The structure is 232 ft (70.7 m) long with a longest span of 65 ft (19.8 m) and a deck 27 ft wide.

Who owns CR 400 over IH 45?

It is owned by the State Highway Agency.