US Bridges

FM 3083 over IH 45

Good

Montgomery County, Texas · 1.30 MI N of Lp 336 · Structure no. 121700067508217

Built
2008
17 years old
Condition
Good
inspected October 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
389 ft
4 main spans
Daily traffic
10,000
2016 count
Owner
State
State Highway Agency

About this bridge

FM 3083 over IH 45 is a prestressed concrete stringer/multi-beam or girder carrying FM 3083 over IH 45 in Montgomery County, Texas. It was built in 2008, so it is 17 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 10,000 vehicles a day, roughly 5% of them trucks, projected to reach 12,000 by 2036. The structure is 389 ft (118.6 m) long and 98 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM 3083
CrossesIH 45
Location1.30 MI N of Lp 336
RouteState Highway 3083
StateTexas
Coordinates30.35108, -95.48336
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length389 ft (118.6 m)
Longest span102 ft (31.1 m)
Deck width98 ft (30 m)
Roadway width96 ft (29.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2016)
Projected traffic12,000 by 2036
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FM 3083 over IH 45 built?

It was built in 2008, making it 17 years old in 2025.

What condition is FM 3083 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 October 2022.

How much traffic does FM 3083 over IH 45 carry?

About 10,000 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is FM 3083 over IH 45?

The structure is 389 ft (118.6 m) long with a longest span of 102 ft (31.1 m) and a deck 98 ft wide.

Who owns FM 3083 over IH 45?

It is owned by the State Highway Agency.