US Bridges

SH 7 over Navasota River

Fair

Leon County, Texas · 4.4 MI W of US 79 · Structure no. 171450038205021

Built
1956
69 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
271 ft
3 main spans
Daily traffic
2,996
2020 count
Owner
State
State Highway Agency

About this bridge

SH 7 over Navasota River is a steel continuous stringer/multi-beam or girder carrying SH 7 over Navasota River in Leon County, Texas. It was built in 1956, so it is 69 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,996 vehicles a day, roughly 17% of them trucks, projected to reach 5,910 by 2033. The structure is 271 ft (82.6 m) long and 31 ft wide. If it were closed, the detour would be 41 mi (66 km).

Location

Open in Google Maps
CarriesSH 7
CrossesNavasota River
Location4.4 MI W of US 79
RouteState Highway 7
CountyLeon County
StateTexas
Coordinates31.25429, -96.33065
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+4 approach)
Design loadH 20
Structure length271 ft (82.6 m)
Longest span60 ft (18.3 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,996 (2020)
Projected traffic5,910 by 2033
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed41 mi (66 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 7 over Navasota River built?

It was built in 1956, making it 69 years old in 2025.

What condition is SH 7 over Navasota River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does SH 7 over Navasota River carry?

About 2,996 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is SH 7 over Navasota River?

The structure is 271 ft (82.6 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.

Who owns SH 7 over Navasota River?

It is owned by the State Highway Agency.