US Bridges

IH 45 NB Exit Ramp over IH 45 NB Entrance Ramp F

Fair

Montgomery County, Texas · 1.2 MI SE of Lp 336 · Structure no. 121700067508227

Built
2012
13 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
990 ft
1 main span
Daily traffic
125,607
2023 count
Owner
State
State Highway Agency

About this bridge

IH 45 NB Exit Ramp over IH 45 NB Entrance Ramp F is a steel continuous stringer/multi-beam or girder carrying IH 45 NB Exit Ramp over IH 45 NB Entrance Ramp F 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 125,607 vehicles a day, roughly 13% of them trucks, projected to reach 228,605 by 2042. The structure is 990 ft (301.8 m) long and 26 ft wide.

Location

Open in Google Maps
CarriesIH 45 NB Exit Ramp
CrossesIH 45 NB Entrance Ramp F
Location1.2 MI SE of Lp 336
RouteInterstate 45
CountyMontgomery County
StateTexas
Coordinates30.31828, -95.47232
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 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

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+5 approach)
Design loadHL 93
Structure length990 ft (301.8 m)
Longest span265 ft (80.8 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125,607 (2023)
Projected traffic228,605 by 2042
Trucks13%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 Exit Ramp over IH 45 NB Entrance Ramp F built?

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

What condition is IH 45 NB Exit Ramp over IH 45 NB Entrance Ramp F in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does IH 45 NB Exit Ramp over IH 45 NB Entrance Ramp F carry?

About 125,607 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is IH 45 NB Exit Ramp over IH 45 NB Entrance Ramp F?

The structure is 990 ft (301.8 m) long with a longest span of 265 ft (80.8 m) and a deck 26 ft wide.

Who owns IH 45 NB Exit Ramp over IH 45 NB Entrance Ramp F?

It is owned by the State Highway Agency.