US Bridges

IH45 Ml over Chambers Creek Relief

Good

Navarro County, Texas · 4.50 MI N of Bs 31 · Structure no. 181750009206350

Built
2000
25 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
720 ft
9 main spans
Daily traffic
52,657
2023 count
Owner
State
State Highway Agency

About this bridge

IH45 Ml over Chambers Creek Relief is a prestressed concrete stringer/multi-beam or girder carrying IH45 Ml over Chambers Creek Relief in Navarro County, Texas. It was built in 2000, so it is 25 years old, younger 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 52,657 vehicles a day, roughly 27% of them trucks, projected to reach 73,542 by 2042. The structure is 720 ft (219.5 m) long and 116 ft wide. If it were closed, the detour would be 42.3 mi (68 km).

CarriesIH45 Ml
CrossesChambers Creek Relief
Location4.50 MI N of Bs 31
RouteInterstate 45
StateTexas
Coordinates32.15756, -96.46848
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 protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length720 ft (219.5 m)
Longest span80 ft (24.4 m)
Deck width116 ft (35.4 m)
Roadway width111 ft (33.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52,657 (2023)
Projected traffic73,542 by 2042
Trucks27%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed42.3 mi (68 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH45 Ml over Chambers Creek Relief built?

It was built in 2000, making it 25 years old in 2025.

What condition is IH45 Ml over Chambers Creek Relief 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 February 2024.

How much traffic does IH45 Ml over Chambers Creek Relief carry?

About 52,657 vehicles per day (2023 count), of which roughly 27% are trucks.

How long is IH45 Ml over Chambers Creek Relief?

The structure is 720 ft (219.5 m) long with a longest span of 80 ft (24.4 m) and a deck 116 ft wide.

Who owns IH45 Ml over Chambers Creek Relief?

It is owned by the State Highway Agency.