US Bridges

IH45 SB Ent Ramp G over IH45 Exit Ramp H

Good

Montgomery County, Texas · 0.1 MI N of SH 105 · Structure no. 121700067508226

Built
2012
13 years old
Condition
Good
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,200 ft
10 main spans
Daily traffic
7,800
2013 count
Owner
State
State Highway Agency

About this bridge

IH45 SB Ent Ramp G over IH45 Exit Ramp H is a prestressed concrete stringer/multi-beam or girder carrying IH45 SB Ent Ramp G over IH45 Exit Ramp H in Montgomery County, Texas. It was built in 2012, so it is 13 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 7,800 vehicles a day, roughly 16% of them trucks, projected to reach 10,920 by 2033. The structure is 1,200 ft (365.8 m) long and 26 ft wide.

CarriesIH45 SB Ent Ramp G
CrossesIH45 Exit Ramp H
Location0.1 MI N of SH 105
RouteInterstate 45
StateTexas
Coordinates30.31978, -95.47357
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 geometry7: Better than present minimum 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 spans10
Design loadHL 93
Structure length1,200 ft (365.8 m)
Longest span125 ft (38.1 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,800 (2013)
Projected traffic10,920 by 2033
Trucks16%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo
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 IH45 SB Ent Ramp G over IH45 Exit Ramp H built?

It was built in 2012, making it 13 years old in 2025.

What condition is IH45 SB Ent Ramp G over IH45 Exit Ramp H 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 IH45 SB Ent Ramp G over IH45 Exit Ramp H carry?

About 7,800 vehicles per day (2013 count), of which roughly 16% are trucks.

How long is IH45 SB Ent Ramp G over IH45 Exit Ramp H?

The structure is 1,200 ft (365.8 m) long with a longest span of 125 ft (38.1 m) and a deck 26 ft wide.

Who owns IH45 SB Ent Ramp G over IH45 Exit Ramp H?

It is owned by the State Highway Agency.