US Bridges

IH 45 SB over Bus 45 NB

Good

Navarro County, Texas · IH 45 SB at Bus 45 NB · Structure no. 181750009301268

Built
2019
6 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
345 ft
3 main spans
Daily traffic
17,400
2017 count
Owner
State
State Highway Agency

About this bridge

IH 45 SB over Bus 45 NB is a prestressed concrete stringer/multi-beam or girder carrying IH 45 SB over Bus 45 NB in Navarro County, Texas. It was built in 2019, so it is 6 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 17,400 vehicles a day, roughly 5% of them trucks, projected to reach 23,900 by 2037. The structure is 345 ft (105.2 m) long and 58 ft wide.

CarriesIH 45 SB
CrossesBus 45 NB
LocationIH 45 SB at Bus 45 NB
RouteInterstate 45
StateTexas
Coordinates32.06565, -96.45214
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length345 ft (105.2 m)
Longest span125 ft (38.1 m)
Deck width58 ft (17.7 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,400 (2017)
Projected traffic23,900 by 2037
Trucks5%
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 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 SB over Bus 45 NB built?

It was built in 2019, making it 6 years old in 2025.

What condition is IH 45 SB over Bus 45 NB 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 January 2023.

How much traffic does IH 45 SB over Bus 45 NB carry?

About 17,400 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is IH 45 SB over Bus 45 NB?

The structure is 345 ft (105.2 m) long with a longest span of 125 ft (38.1 m) and a deck 58 ft wide.

Who owns IH 45 SB over Bus 45 NB?

It is owned by the State Highway Agency.