US Bridges

IH 45 Ml over Crighton RD

Good

Montgomery County, Texas · 2.00 MI N of FM 1488 · Structure no. 121700011004202

Built
2007
18 years old
Condition
Good
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
360 ft
3 main spans
Daily traffic
156,512
2020 count
Owner
State
State Highway Agency

About this bridge

IH 45 Ml over Crighton RD is a prestressed concrete stringer/multi-beam or girder carrying IH 45 Ml over Crighton RD in Montgomery County, Texas. It was built in 2007, so it is 18 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 156,512 vehicles a day, roughly 8% of them trucks, projected to reach 194,350 by 2033. The structure is 360 ft (109.7 m) long and 168 ft wide.

CarriesIH 45 Ml
CrossesCrighton RD
Location2.00 MI N of FM 1488
RouteInterstate 45
StateTexas
Coordinates30.26542, -95.45681
Functional classUrban 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.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: 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 spans3
Design loadHS 20
Structure length360 ft (109.7 m)
Longest span120 ft (36.6 m)
Deck width168 ft (51.1 m)
Roadway width163 ft (49.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic156,512 (2020)
Projected traffic194,350 by 2033
Trucks8%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 45 Ml over Crighton RD built?

It was built in 2007, making it 18 years old in 2025.

What condition is IH 45 Ml over Crighton RD 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 September 2022.

How much traffic does IH 45 Ml over Crighton RD carry?

About 156,512 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is IH 45 Ml over Crighton RD?

The structure is 360 ft (109.7 m) long with a longest span of 120 ft (36.6 m) and a deck 168 ft wide.

Who owns IH 45 Ml over Crighton RD?

It is owned by the State Highway Agency.