US Bridges

FM 830 over IH 45

Good

Montgomery County, Texas · 5.40 MI N of SH 105 · Structure no. 121700067508234

Built
2013
12 years old
Condition
Good
inspected November 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
400 ft
3 main spans
Daily traffic
9,340
2013 count
Owner
State
State Highway Agency

About this bridge

FM 830 over IH 45 is a prestressed concrete stringer/multi-beam or girder carrying FM 830 over IH 45 in Montgomery County, Texas. It was built in 2013, so it is 12 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 9,340 vehicles a day, roughly 1% of them trucks, projected to reach 13,080 by 2033. The structure is 400 ft (121.9 m) long and 84 ft wide.

CarriesFM 830
CrossesIH 45
Location5.40 MI N of SH 105
RouteState Highway 830
StateTexas
Coordinates30.39134, -95.48696
Functional classUrban Minor 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 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 spans3
Design loadHL 93
Structure length400 ft (121.9 m)
Longest span140 ft (42.7 m)
Deck width84 ft (25.7 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,340 (2013)
Projected traffic13,080 by 2033
Trucks1%
Lanes on structure4
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 830 over IH 45 built?

It was built in 2013, making it 12 years old in 2025.

What condition is FM 830 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 November 2022.

How much traffic does FM 830 over IH 45 carry?

About 9,340 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is FM 830 over IH 45?

The structure is 400 ft (121.9 m) long with a longest span of 140 ft (42.7 m) and a deck 84 ft wide.

Who owns FM 830 over IH 45?

It is owned by the State Highway Agency.