US Bridges

IH 45 NB Ml over 15th ST O Pass

Fair

Navarro County, Texas · 2.85 MI S of Bs 31 · Structure no. 181750009301054

Built
1958
67 years old, rebuilt 2019
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
121 ft
4 main spans
Daily traffic
20,038
2023 count
Owner
State
State Highway Agency

About this bridge

IH 45 NB Ml over 15th ST O Pass is a concrete stringer/multi-beam or girder carrying IH 45 NB Ml over 15th ST O Pass in Navarro County, Texas. It was built in 1958 and reconstructed in 2019, so it is 67 years old, older 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 20,038 vehicles a day, roughly 34% of them trucks, projected to reach 27,047 by 2042. The structure is 121 ft (36.9 m) long and 58 ft wide.

CarriesIH 45 NB Ml
Crosses15th ST O Pass
Location2.85 MI S of Bs 31
RouteInterstate 45
StateTexas
Coordinates32.05992, -96.45187
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length121 ft (36.9 m)
Longest span30 ft (9.1 m)
Deck width58 ft (17.6 m)
Roadway width54 ft (16.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,038 (2023)
Projected traffic27,047 by 2042
Trucks34%
Lanes on structure3
Traffic directionOne-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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 45 NB Ml over 15th ST O Pass built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2019.

What condition is IH 45 NB Ml over 15th ST O Pass 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 February 2024.

How much traffic does IH 45 NB Ml over 15th ST O Pass carry?

About 20,038 vehicles per day (2023 count), of which roughly 34% are trucks.

How long is IH 45 NB Ml over 15th ST O Pass?

The structure is 121 ft (36.9 m) long with a longest span of 30 ft (9.1 m) and a deck 58 ft wide.

Who owns IH 45 NB Ml over 15th ST O Pass?

It is owned by the State Highway Agency.