US Bridges

FM 1670 over Branch of Salado Creek

Good

Bell County, Texas · 0.25 MI N of FM 2484 · Structure no. 090140156501007

Built
1968
57 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
54 ft
5 main spans
Daily traffic
3,103
2020 count
Owner
State
State Highway Agency

About this bridge

FM 1670 over Branch of Salado Creek is a concrete culvert carrying FM 1670 over Branch of Salado Creek in Bell County, Texas. It was built in 1968, so it is 57 years old, older 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 3,103 vehicles a day, roughly 7% of them trucks, projected to reach 2,750 by 2033. The structure is 54 ft (16.5 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFM 1670
CrossesBranch of Salado Creek
Location0.25 MI N of FM 2484
RouteState Highway 1670
CountyBell County
StateTexas
Coordinates30.97233, -97.54274
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span10 ft (3 m)
Deck width45 ft (13.8 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,103 (2020)
Projected traffic2,750 by 2033
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$392,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 1670 over Branch of Salado Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is FM 1670 over Branch of Salado Creek 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 April 2023.

How much traffic does FM 1670 over Branch of Salado Creek carry?

About 3,103 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is FM 1670 over Branch of Salado Creek?

The structure is 54 ft (16.5 m) long with a longest span of 10 ft (3 m) and a deck 45 ft wide.

Who owns FM 1670 over Branch of Salado Creek?

It is owned by the State Highway Agency.