US Bridges

FM 1689 over Sweetwater Creek

Good

Comanche County, Texas · 1.35 MI SE of FM 589 · Structure no. 230470103304010

Built
1962
63 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
120 ft
3 main spans
Daily traffic
520
2023 count
Owner
State
State Highway Agency

About this bridge

FM 1689 over Sweetwater Creek is a concrete stringer/multi-beam or girder carrying FM 1689 over Sweetwater Creek in Comanche County, Texas. It was built in 1962, so it is 63 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 520 vehicles a day, roughly 13% of them trucks, projected to reach 570 by 2033. The structure is 120 ft (36.6 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFM 1689
CrossesSweetwater Creek
Location1.35 MI SE of FM 589
RouteState Highway 1689
StateTexas
Coordinates31.93546, -98.72218
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic520 (2023)
Projected traffic570 by 2033
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 FM 1689 over Sweetwater Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is FM 1689 over Sweetwater 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 August 2023.

How much traffic does FM 1689 over Sweetwater Creek carry?

About 520 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is FM 1689 over Sweetwater Creek?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 25 ft wide.

Who owns FM 1689 over Sweetwater Creek?

It is owned by the State Highway Agency.