US Bridges

IH 45 Nb/Sh 242 WB over IH 45 Ml & SH242

Good

Montgomery County, Texas · JCT IH 45 and SH 242 · Structure no. 121700011004307

Built
2014
11 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,088 ft
6 main spans
Daily traffic
8,430
2023 count
Owner
State
State Highway Agency

About this bridge

IH 45 Nb/Sh 242 WB over IH 45 Ml & SH242 is a steel continuous stringer/multi-beam or girder carrying IH 45 Nb/Sh 242 WB over IH 45 Ml & SH242 in Montgomery County, Texas. It was built in 2014, so it is 11 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 8,430 vehicles a day, roughly 10% of them trucks, projected to reach 1 by 2042. The structure is 2,088 ft (636.4 m) long and 29 ft wide.

CarriesIH 45 Nb/Sh 242 WB
CrossesIH 45 Ml & SH242
LocationJCT IH 45 and SH 242
RouteInterstate 45
StateTexas
Coordinates30.20755, -95.45862
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.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6 (+6 approach)
Design loadHL 93
Structure length2,088 ft (636.4 m)
Longest span311 ft (94.8 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,430 (2023)
Projected traffic1 by 2042
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a toll 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 Nb/Sh 242 WB over IH 45 Ml & SH242 built?

It was built in 2014, making it 11 years old in 2025.

What condition is IH 45 Nb/Sh 242 WB over IH 45 Ml & SH242 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 November 2024.

How much traffic does IH 45 Nb/Sh 242 WB over IH 45 Ml & SH242 carry?

About 8,430 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is IH 45 Nb/Sh 242 WB over IH 45 Ml & SH242?

The structure is 2,088 ft (636.4 m) long with a longest span of 311 ft (94.8 m) and a deck 29 ft wide.

Who owns IH 45 Nb/Sh 242 WB over IH 45 Ml & SH242?

It is owned by the State Highway Agency.