US Bridges

Bus 45 over SH 31 & UP RR

Good

Navarro County, Texas · Bus 45 at SH 31 · Structure no. 181750009213352

Built
1999
26 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,235 ft
9 main spans
Daily traffic
6,730
2023 count
Owner
State
State Highway Agency

About this bridge

Bus 45 over SH 31 & UP RR is a prestressed concrete stringer/multi-beam or girder carrying Bus 45 over SH 31 & UP RR in Navarro County, Texas. It was built in 1999, so it is 26 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 6,730 vehicles a day, roughly 9% of them trucks, projected to reach 17,260 by 2036. The structure is 1,235 ft (376.4 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesBus 45
CrossesSH 31 & UP RR
LocationBus 45 at SH 31
RouteInterstate 45
CountyNavarro County
StateTexas
Coordinates32.09288, -96.45864
Functional classUrban Other Principal Arterial

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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9 (+7 approach)
Design loadHS 20
Structure length1,235 ft (376.4 m)
Longest span100 ft (30.5 m)
Deck width53 ft (16.2 m)
Roadway width50 ft (15.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,730 (2023)
Projected traffic17,260 by 2036
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$158,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bus 45 over SH 31 & UP RR built?

It was built in 1999, making it 26 years old in 2025.

What condition is Bus 45 over SH 31 & UP RR 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 2023.

How much traffic does Bus 45 over SH 31 & UP RR carry?

About 6,730 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Bus 45 over SH 31 & UP RR?

The structure is 1,235 ft (376.4 m) long with a longest span of 100 ft (30.5 m) and a deck 53 ft wide.

Who owns Bus 45 over SH 31 & UP RR?

It is owned by the State Highway Agency.