US Bridges

IH 45 SB over Keechi Creek

Good

Freestone County, Texas · 4.8 MI S of US 84 · Structure no. 170820067502165

Built
1970
55 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
4 main spans
Daily traffic
18,810
2023 count
Owner
State
State Highway Agency

About this bridge

IH 45 SB over Keechi Creek is a prestressed concrete stringer/multi-beam or girder carrying IH 45 SB over Keechi Creek in Freestone County, Texas. It was built in 1970, so it is 55 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 18,810 vehicles a day, roughly 43% of them trucks, projected to reach 29,720 by 2042. The structure is 240 ft (73.2 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 45 SB
CrossesKeechi Creek
Location4.8 MI S of US 84
RouteInterstate 45
StateTexas
Coordinates31.64693, -96.15961
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span60 ft (18.3 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,810 (2023)
Projected traffic29,720 by 2042
Trucks43%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 SB over Keechi Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is IH 45 SB over Keechi Creek 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 October 2024.

How much traffic does IH 45 SB over Keechi Creek carry?

About 18,810 vehicles per day (2023 count), of which roughly 43% are trucks.

How long is IH 45 SB over Keechi Creek?

The structure is 240 ft (73.2 m) long with a longest span of 60 ft (18.3 m) and a deck 44 ft wide.

Who owns IH 45 SB over Keechi Creek?

It is owned by the State Highway Agency.