US Bridges

IH 45 Frontage Rds over Ditch H

Good

Montgomery County, Texas · 1.53 MI SE of SH 105 · Structure no. 121700067508229

Built
2012
13 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
164,000
2011 count
Owner
State
State Highway Agency

About this bridge

IH 45 Frontage Rds over Ditch H is a concrete culvert carrying IH 45 Frontage Rds over Ditch 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 164,000 vehicles a day, roughly 19% of them trucks, projected to reach 246,000 by 2031. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesIH 45 Frontage Rds
CrossesDitch H
Location1.53 MI SE of SH 105
RouteInterstate 45
StateTexas
Coordinates30.29351, -95.464
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic164,000 (2011)
Projected traffic246,000 by 2031
Trucks19%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
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 IH 45 Frontage Rds over Ditch H built?

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

What condition is IH 45 Frontage Rds over Ditch 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 November 2024.

How much traffic does IH 45 Frontage Rds over Ditch H carry?

About 164,000 vehicles per day (2011 count), of which roughly 19% are trucks.

How long is IH 45 Frontage Rds over Ditch H?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns IH 45 Frontage Rds over Ditch H?

It is owned by the State Highway Agency.