US Bridges

FM 1603 over IH 45

Good

Navarro County, Texas · 7.45 MI N of SH 31 · Structure no. 181750009206381

Built
2004
21 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
340 ft
2 main spans
Daily traffic
2,090
2008 count
Owner
State
State Highway Agency

About this bridge

FM 1603 over IH 45 is a prestressed concrete box beam or girders - multiple carrying FM 1603 over IH 45 in Navarro County, Texas. It was built in 2004, so it is 21 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 2,090 vehicles a day, roughly 21% of them trucks, projected to reach 5,080 by 2025. The structure is 340 ft (103.6 m) long and 42 ft wide.

CarriesFM 1603
CrossesIH 45
Location7.45 MI N of SH 31
RouteState Highway 1603
StateTexas
Coordinates32.19991, -96.47467
Functional classRural Major Collector

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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+4 approach)
Design loadHS 20
Structure length340 ft (103.6 m)
Longest span70 ft (21.3 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,090 (2008)
Projected traffic5,080 by 2025
Trucks21%
Lanes on structure2
Traffic directionTwo-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 FM 1603 over IH 45 built?

It was built in 2004, making it 21 years old in 2025.

What condition is FM 1603 over IH 45 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 2024.

How much traffic does FM 1603 over IH 45 carry?

About 2,090 vehicles per day (2008 count), of which roughly 21% are trucks.

How long is FM 1603 over IH 45?

The structure is 340 ft (103.6 m) long with a longest span of 70 ft (21.3 m) and a deck 42 ft wide.

Who owns FM 1603 over IH 45?

It is owned by the State Highway Agency.